package org.deadline.model.user;

import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import org.deadline.model.config.EnumerationDataOnDemand;
import org.deadline.model.config.SecurityQuestion;
import org.deadline.model.config.SecurityQuestionDataOnDemand;
import org.deadline.repository.user.PersonSecurityQuestionRepository;
import org.deadline.service.user.PersonSecurityQuestionService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.stereotype.Component;

@Configurable
@Component
public class PersonSecurityQuestionDataOnDemand {

	private Random rnd = new SecureRandom();

	private List<PersonSecurityQuestion> data;

	@Autowired
    private PersonDataOnDemand personDataOnDemand;

	@Autowired
    private SecurityQuestionDataOnDemand securityQuestionDataOnDemand;

	@Autowired
    private EnumerationDataOnDemand enumerationDataOnDemand;

	@Autowired
    PersonSecurityQuestionService personSecurityQuestionService;

	@Autowired
    PersonSecurityQuestionRepository personSecurityQuestionRepository;

	public PersonSecurityQuestion getNewTransientPersonSecurityQuestion(int index) {
        PersonSecurityQuestion obj = new PersonSecurityQuestion();
        setAnswer(obj, index);
        setCreationDate(obj, index);
        setDeleted(obj, index);
        setModificationDate(obj, index);
        setPerson(obj, index);
        setSecurityQuestion(obj, index);
        return obj;
    }

	public void setAnswer(PersonSecurityQuestion obj, int index) {
        String answer = "answer_" + index;
        if (answer.length() > 30) {
            answer = answer.substring(0, 30);
        }
        obj.setAnswer(answer);
    }

	public void setCreationDate(PersonSecurityQuestion obj, int index) {
        Date creationDate = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR), Calendar.getInstance().get(Calendar.MONTH), Calendar.getInstance().get(Calendar.DAY_OF_MONTH), Calendar.getInstance().get(Calendar.HOUR_OF_DAY), Calendar.getInstance().get(Calendar.MINUTE), Calendar.getInstance().get(Calendar.SECOND) + new Double(Math.random() * 1000).intValue()).getTime();
        obj.setCreationDate(creationDate);
    }

	public void setDeleted(PersonSecurityQuestion obj, int index) {
        Boolean deleted = true;
        obj.setDeleted(deleted);
    }

	public void setModificationDate(PersonSecurityQuestion obj, int index) {
        Date modificationDate = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR), Calendar.getInstance().get(Calendar.MONTH), Calendar.getInstance().get(Calendar.DAY_OF_MONTH), Calendar.getInstance().get(Calendar.HOUR_OF_DAY), Calendar.getInstance().get(Calendar.MINUTE), Calendar.getInstance().get(Calendar.SECOND) + new Double(Math.random() * 1000).intValue()).getTime();
        obj.setModificationDate(modificationDate);
    }

	public void setPerson(PersonSecurityQuestion obj, int index) {
        Person person = personDataOnDemand.getRandomPerson();
        obj.setPerson(person);
    }

	public void setSecurityQuestion(PersonSecurityQuestion obj, int index) {
        SecurityQuestion securityQuestion = securityQuestionDataOnDemand.getRandomSecurityQuestion();
        obj.setSecurityQuestion(securityQuestion);
    }

	public PersonSecurityQuestion getSpecificPersonSecurityQuestion(int index) {
        init();
        if (index < 0) {
            index = 0;
        }
        if (index > (data.size() - 1)) {
            index = data.size() - 1;
        }
        PersonSecurityQuestion obj = data.get(index);
        Long id = obj.getId();
        return personSecurityQuestionService.findPersonSecurityQuestion(id);
    }

	public PersonSecurityQuestion getRandomPersonSecurityQuestion() {
        init();
        PersonSecurityQuestion obj = data.get(rnd.nextInt(data.size()));
        Long id = obj.getId();
        return personSecurityQuestionService.findPersonSecurityQuestion(id);
    }

	public boolean modifyPersonSecurityQuestion(PersonSecurityQuestion obj) {
        return false;
    }

	public void init() {
        int from = 0;
        int to = 10;
        data = personSecurityQuestionService.findPersonSecurityQuestionEntries(from, to);
        if (data == null) {
            throw new IllegalStateException("Find entries implementation for 'PersonSecurityQuestion' illegally returned null");
        }
        if (!data.isEmpty()) {
            return;
        }
        
        data = new ArrayList<PersonSecurityQuestion>();
        for (int i = 0; i < 10; i++) {
            PersonSecurityQuestion obj = getNewTransientPersonSecurityQuestion(i);
            try {
                personSecurityQuestionService.savePersonSecurityQuestion(obj);
            } catch (ConstraintViolationException e) {
                StringBuilder msg = new StringBuilder();
                for (Iterator<ConstraintViolation<?>> iter = e.getConstraintViolations().iterator(); iter.hasNext();) {
                    ConstraintViolation<?> cv = iter.next();
                    msg.append("[").append(cv.getConstraintDescriptor()).append(":").append(cv.getMessage()).append("=").append(cv.getInvalidValue()).append("]");
                }
                throw new RuntimeException(msg.toString(), e);
            }
            personSecurityQuestionRepository.flush();
            data.add(obj);
        }
    }
}
